Home › CFR › Title 49 › Part 84049 CFR Part 840 — Rules Pertaining to Notification of Railroad Accidents§ 840.1— Applicability.§ 840.2— Definitions.§ 840.3— Notification of railroad accidents.§ 840.4— Information to be given in notification.§ 840.5— Inspection, examination and testing of physical evidence.§ 840.6— Priority of Board investigations.